US3273813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna drive mechanism
Assignee: Individual
•
Filing: 1964-12-22
•
Granted: 1966-09-20
•
Expires: 1984-12-22
Abstract
No abstract record available.
Inventors
- 👤 Michael P George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:57
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/10; H01Q1/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A POWER DRIVE MECHANISM FOR A TELESCOPIC ANTENNA, COMPRISING (A) A PULLEY FORMED WITH A PERIPHERAL GROOVE, (B) POWER MEANS FOR SELECTIVELY ROTATING SAID PULLEY IN EITHER OF TWO ROTARY DIRECTIONS, (C) A PAIR OF RESILIENT ANNULAR MEMBERS MOUNTED TO SAID PULLEY IN REGISTERED OPPOSITION ADJACENT THE OPENING OF SAID GROOVE TO RESTRICT THE SIZE OF SAID OPENING, (D) A HOUSING ENCLOSING SAID PULLEY AND HAVING AN OPENING FORMED THEREIN GENERALLY TANGENTIAL TO SAID PULLEY, AND (E) A FLEXIBLE ROD EXTENDING THROUGH SAID HOUSING AND HAVING ONE END CONNECTED TO SAID ANTENNA AND THE OTHER END SECURED TO SAID PULLEY, SAID ROD HAVING A DIAMETER LARGER THAN THE RESTRICTED GROOVE OPENING.
Claim 2
Dependent Claim
111 words
A POWER DRIVE MECHANISM FOR A TELESCOPIC ANTENNA, COMPRISING (A) A PULLEY FORMED WITH A PERIPHERAL GROOVE, (B) POWER MEANS FOR SELECTIVELY ROTATING SAID PULLEY IN EITHER OF TWO ROTARY DIRECTIONS, (C) A PAIR OF RESILIENT ANNULAR MEMBERS MOUNTED TO SAID PULLEY IN REGISTERED OPPOSITION ADJACENT THE OPENING OF SAID GROOVE TO RESTRICT THE SIZE OF SAID OPENING, (D) A HOUSING ENCLOSING SAID PULLEY AND HAVING AN OPENING FORMED THEREIN GENERALLY TANGENTIAL TO SAID PULLEY, AND (E) A FLEXIBLE ROD EXTENDING THROUGH SAID HOUSING AND HAVING ONE END CONNECTED TO SAID ANTENNA AND THE OTHER END SECURED TO SAID PULLEY, SAID ROD HAVING A DIAMETER LARGER THAN THE RESTRICTED GROOVE OPENING.
References Cited (Backward Citations)
US2674416A
Cited
US2896870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |